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AASHTO R 91:2018(R2026)

Current

Current

The latest, up-to-date edition.

Determining Aggregate Source Shape Values from Digital Image Analysis Shape Properties

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

10-08-2026

This standard covers the determination of aggregate source and source blend shape characteristics using gradation analysis and shape properties determined by means of digital image analysis.

DocumentType
Standard
Pages
16
ProductNote
This record is editorially revised in 2026
PublisherName
American Association of State Highway and Transportation Officials
Status
Current
Supersedes

AASHTO T 85:2025 Standard Method of Test for Specific Gravity and Absorption of Coarse Aggregate
AASHTO T 84:2025 Standard Method of Test for Specific Gravity and Absorption of Fine Aggregate
AASHTO T 27:2024 Standard Method of Test for Sieve Analysis of Fine and Coarse Aggregates
AASHTO T 381:2022 Method of Test for Determining Aggregate Shape Properties by Means of Digital Image Analysis
AASHTO T 11:2025 Standard Method of Test for Materials Finer Than 75-µm (No. 200) Sieve in Aggregates by Washing